upper rim on which the valves of a clam move or rotate.
The area formed by the joined valves at the anterior of the oyster. !-- assign table width based on how this page is called close_it();
the elastic part of the shell that unites the valves along the top of the shell
The joining point of the two valves of a mollusk shell at the anterior end.
The area formed by the joined valves at the anterior of the oyster. close window